Must be a valid IPv4 or IPv6 ip address, e.g. 127.0.0.1 or 2001:DB8:0:0:8:800:200C:417A
Basic Info

City: unknown

Region: unknown

Country: Korea (the Republic of)

Internet Service Provider: unknown

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:
No discussion about this IP yet. Click above link to make one.
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 42.21.28.191
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 39620
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;42.21.28.191.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025031303 1800 900 604800 86400

;; Query time: 32 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Mar 14 07:45:44 CST 2025
;; MSG SIZE  rcvd: 105
Host info
Host 191.28.21.42.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 191.28.21.42.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
89.248.160.150 attackspam
89.248.160.150 was recorded 16 times by 12 hosts attempting to connect to the following ports: 21874,25159. Incident counter (4h, 24h, all-time): 16, 126, 10964
2020-04-13 05:09:30
111.229.219.226 attackbotsspam
Apr 12 21:55:55 pi sshd[32300]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.229.219.226  user=root
Apr 12 21:55:57 pi sshd[32300]: Failed password for invalid user root from 111.229.219.226 port 58816 ssh2
2020-04-13 05:46:51
39.170.24.98 attack
Apr 12 16:53:03 ny01 sshd[21067]: Failed password for root from 39.170.24.98 port 2085 ssh2
Apr 12 16:56:59 ny01 sshd[21920]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=39.170.24.98
Apr 12 16:57:01 ny01 sshd[21920]: Failed password for invalid user support from 39.170.24.98 port 2086 ssh2
2020-04-13 05:25:35
194.55.132.250 attackspam
[2020-04-12 17:25:18] NOTICE[12114][C-00004ed2] chan_sip.c: Call from '' (194.55.132.250:55327) to extension '46842002301' rejected because extension not found in context 'public'.
[2020-04-12 17:25:18] SECURITY[12128] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-04-12T17:25:18.985-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="46842002301",SessionID="0x7f020c088288",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/194.55.132.250/55327",ACLName="no_extension_match"
[2020-04-12 17:26:32] NOTICE[12114][C-00004ed4] chan_sip.c: Call from '' (194.55.132.250:61741) to extension '01146842002301' rejected because extension not found in context 'public'.
[2020-04-12 17:26:32] SECURITY[12128] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-04-12T17:26:32.769-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="01146842002301",SessionID="0x7f020c088288",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/194
...
2020-04-13 05:43:13
103.219.112.31 attackbotsspam
7346/tcp 1536/tcp 32255/tcp...
[2020-03-29/04-12]51pkt,17pt.(tcp)
2020-04-13 05:27:46
123.206.174.21 attackbotsspam
Apr 13 01:35:00 gw1 sshd[22502]: Failed password for root from 123.206.174.21 port 15016 ssh2
...
2020-04-13 05:11:23
94.100.28.99 attackbots
Unauthorized connection attempt detected from IP address 94.100.28.99 to port 443
2020-04-13 05:34:36
51.91.250.49 attackbots
Apr 12 22:54:28 pve sshd[29671]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.250.49 
Apr 12 22:54:29 pve sshd[29671]: Failed password for invalid user us from 51.91.250.49 port 56448 ssh2
Apr 12 22:57:46 pve sshd[32120]: Failed password for root from 51.91.250.49 port 36134 ssh2
2020-04-13 05:12:10
103.215.37.32 attack
Apr 12 20:24:29 our-server-hostname postfix/smtpd[28986]: connect from unknown[103.215.37.32]
Apr 12 20:29:30 our-server-hostname postfix/smtpd[28986]: servereout after HELO from unknown[103.215.37.32]
Apr 12 20:29:30 our-server-hostname postfix/smtpd[28986]: disconnect from unknown[103.215.37.32]
Apr 13 06:33:38 our-server-hostname postfix/smtpd[7811]: connect from unknown[103.215.37.32]
Apr x@x
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........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=103.215.37.32
2020-04-13 05:15:25
162.243.133.137 attackspambots
7001/tcp 2082/tcp 2404/tcp...
[2020-03-13/04-10]35pkt,33pt.(tcp),1pt.(udp)
2020-04-13 05:46:37
111.231.75.5 attack
Apr 12 22:33:08 meumeu sshd[28522]: Failed password for root from 111.231.75.5 port 57862 ssh2
Apr 12 22:37:07 meumeu sshd[29047]: Failed password for root from 111.231.75.5 port 45062 ssh2
...
2020-04-13 05:29:30
180.76.141.184 attackspambots
k+ssh-bruteforce
2020-04-13 05:26:40
162.243.130.173 attackbotsspam
1586724058 - 04/12/2020 22:40:58 Host: 162.243.130.173/162.243.130.173 Port: 161 UDP Blocked
...
2020-04-13 05:41:41
128.199.80.49 attackspam
fail2ban/Apr 12 22:43:15 h1962932 sshd[31507]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.80.49  user=root
Apr 12 22:43:17 h1962932 sshd[31507]: Failed password for root from 128.199.80.49 port 42754 ssh2
Apr 12 22:47:04 h1962932 sshd[31640]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.80.49  user=root
Apr 12 22:47:06 h1962932 sshd[31640]: Failed password for root from 128.199.80.49 port 50422 ssh2
Apr 12 22:50:47 h1962932 sshd[31780]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.80.49  user=root
Apr 12 22:50:49 h1962932 sshd[31780]: Failed password for root from 128.199.80.49 port 58090 ssh2
2020-04-13 05:35:47
222.186.180.142 attackbotsspam
Apr 13 02:12:07 gw1 sshd[24941]: Failed password for root from 222.186.180.142 port 11750 ssh2
Apr 13 02:12:09 gw1 sshd[24941]: Failed password for root from 222.186.180.142 port 11750 ssh2
...
2020-04-13 05:23:04

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